| .TH IM_STRETCH3 3 "Sep 18 1997" |
| .SH NAME |
| im_stretch3 \- stretch horizontally by 3%, displace sub-pixel |
| mask |
| .SH SYNOPSIS |
| #include <vips/vips.h> |
| |
| int im_stretch3( in, out, xdisp, ydisp ) |
| .br |
| IMAGE *in, *out; |
| .br |
| double xdisp, ydisp; |
| |
| .SH DESCRIPTION |
| im_stretch3() stretches the input image by 3% horizontally, and displaces it |
| by xdisp/ydisp. It uses bi-cubic interpolation, but runs quickly. It works |
| only for unsigned short images. |
| |
| This function is part of the MARC acquisition software, but is generally |
| useful for squaring up the pixels in images from the Kontron ProgRes camera |
| range. |
| |
| .SH RETURN VALUE |
| The function returns 0 on success and -1 on error. |
| .SH SEE ALSO |
| im_conv(3), im_shrink(3). |
| .SH COPYRIGHT |
| The National Gallery, 1997 |
